DS-2CD2323G2-LI2U(2.8mm) - is a turret camera with 2.8mm lens and is a compact and professional solution for intelligent video surveillance in indoor and outdoor environments. The 2 MP Full HD resolution guarantees clear images, while the Acusense technology with artificial intelligence allows accurate recognition of people and vehicles , reducing false alarms. The Smart Hybrid Light system with IR and white light up to 30 m ensures effective visibility even in low light conditions, supported by the real 120 dB WDR for high-contrast scenes. The integrated dual array microphone , H.265+ compression and IP67 protection complete the features, making it reliable and versatile for advanced security applications. Hikvision
DS-2CD2323G2-LI2U(2.8mm) – TURRET CAMERA FIXED LENS 2.8mm 2MP - HUMAN AND VEHICLE DETECTION - DEEP LEARNING FUNCTION

The Hikvision DS-2CD2323G2-LI2U turret IP camera with 2.8mm lens is designed for intelligent and efficient video surveillance in residential and professional environments. The 2 MP Full HD resolution ensures clear images, while Acusense technology with artificial intelligence allows for accurate recognition of people and vehicles , reducing false alarms. The Smart Hybrid Light system with IR and white light up to 30 m ensures optimal visibility even in low light conditions, supported by true 120 dB WDR for high-contrast scenes. The integrated dual array microphone , H.265+ compression and IP67 protection complete the features, making it a reliable and versatile solution.
Main features:
- 2 MP Full HD resolution (1920×1080)
- 2.8mm fixed optics with wide viewing angle
- Acusense AI technology for people and vehicle detection
- Smart Hybrid Light with IR and white light up to 30 m
- Real WDR 120 dB
- Built-in dual array microphone
- H.265+ video compression
- IP67 protection for indoor and outdoor installations
Further details
The 2.8mm lens offers a wide viewing angle of up to 112° , ideal for monitoring large areas in a single frame, reducing blind spots and improving overall coverage.
The 2 Megapixel CMOS sensor (1920×1080) guarantees sharp and smooth images , suitable for residential and professional contexts where a clear view of the main details is required.
Deep learning-based Acusense technology enables intelligent scene analysis, distinguishing people and vehicles from other irrelevant movements and drastically reducing false alarms.
The vehicle detection function is ideal for controlling driveways, parking lots and transit areas, improving security management.
The advanced motion detection system supports filtering by target type, generating more precise events and reducing unnecessary alerts.
Deep learning features include perimeter protection such as line crossing and intrusion detection, with alarm triggering based on people and vehicles .
Support for major network protocols such as ONVIF, TCP/IP, HTTPS, RTSP, IPv4, and IPv6 ensures maximum compatibility , simple integration, and secure management in IP video surveillance systems.
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Technical data sheet
| DS-2CD2323G2-LI2U(2.8mm) | |
| Room | |
| Image Sensor | 1/2.7" Progressive Scan CMOS |
| Max. Resolution | 1920 × 1080 |
| Min. Illumination | Color: 0.005 Lux @ (F1.6, AGC ON),0 Lux with light |
| Shutter Time | 1/3 s to 1/100,000 s |
| Day & Night | IR cut filter |
| Angle Adjustment | Pan: 0° to 360°,tilt: 0° to 75°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Fixed focal lens, 2.8 mm |
| Focal Length & FOV | horizontal FOV 112°, vertical FOV 61°, diagonal FOV 132° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Depth of Field | 1 m to ∞ |
| Illuminator | |
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 30 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50 Hz: 25fps (1920×1080, 1280×720) 60 Hz: 30fps (1920×1080, 1280×720) |
| Sub-Stream |
50Hz: 25fps (640×480, 640×360) |
| Third Stream |
50Hz: 10fps (1920×1080, 1280×720, 640×480, 640×360) |
| Video Compression |
Main stream: H.265/H.264/H.264+/H.265+, |
| Video Bit Rate |
32 Kbps to 8 Mbps |
| H.264 Type |
Baseline Profile, Main Profile, High Profile |
| H.265 Type |
Main Profile |
| Bit Rate Control |
CBR,VBR |
| Region of Interest (ROI) |
1 fixed region for main stream and sub-stream |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Target Cropping |
Yes |
| Audio | |
| Audio Compression |
G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC |
| Audio Bit Rate |
64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC) |
| Audio Sampling Rate |
8 kHz/16 kHz/32 kHz/48 kHz |
| Environment Noise Filtering |
Yes |
| Network | |
| Security |
Password protection, complicated password, HTTPS encryption, IP address filter, Security Audit Log, basic and digest authentication for HTTP/HTTPS, TLS 1.1/1.2/1.3, WSSE and digest authentication for Open Network Video Interface |
| Simultaneous Live View |
Up to 6 channels |
| API | ONVIF (Profile S, Profile G, Profile T),ISAPI,SDK,ISUP |
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets |
| User/Host |
Up to 32 users. |
| Client |
iVMS-4200,Hik-Connect,Hik-Central |
| Network Storage |
NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR), |
| Web Browser |
Plug-in required live view: IE 11, |
| Image | |
| Image Parameters Switch |
Yes |
| Day/Night Switch |
Day, Night, Auto, Schedule |
| Image Settings |
Rotate mode |
| Wide Dynamic Range (WDR) |
120 dB |
| SNR | ≥ 52 dB |
| Image Enhancement | BLC, HLC, 3D DNR |
| Privacy Mask |
8 programmable polygon privacy masks |
| Interface | |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| Built-in Microphone | Built-in Microphone: Arrayed dual-microphone |
| Reset Key | Yes |
| Event | |
| Basic Event | Motion detection (support alarm triggering by specified target types (human and vehicle)), video tampering alarm, exception |
| Smart Event | Face detection |
| Linkage | Upload to FTP/NAS/memory card,notify surveillance center,send email,trigger recording,trigger capture |
| Deep Learning Function | |
| Perimeter Protection | Line crossing, intrusion Support alarm triggering by specified target types (human and vehicle) |
| General | |
| Power |
12 VDC ± 25%, 0.58 A, max. 7 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
| Material |
Metal |
| Dimension |
Ø127.3 mm × 96.3 mm (Ø5.0" × 3.8") |
| Package Dimension |
150 mm × 150 mm × 141 mm (5.9" × 5.5" × 5.5") |
| Weight |
Approx. 515 g (1.1 lb.) |
| With Package Weight |
Approx. 755 g (1.7 lb.) |
| Storage Conditions |
-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Startup and Operating Conditions |
-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Language |
33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian |
| General Function |
Heartbeat, mirror, flash log, password reset via email, password protection, anti-banding |
| Approval | |
| EMC | CE-EMC: EN 55032:2015+A1:2020, EN 50130-4:2011+A1:2014, EN IEC 61000-3-2:2019+A1:2021, EN 61000-3-3:2013+A1:2019+A2:2021 RCM: AS/NZS CISPR 32: 2015, IC: ICES-003: Issue 7, KC: KN32: 2015, KN35: 2015 |
| Safety | CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 BIS: IS 13252 (Part 1): 2010/IEC 60950-1: 2005, LOA: IEC/EN 60950-1 |
| Environment |
CE-RoHS (2011/65/EU) |
| Protection |
IP67: IEC 60529-2013 |


